Synthesis of Unzipping Polyester and a Study of its Photochemistry.
J Am Chem Soc
; 141(37): 14736-14741, 2019 09 18.
Article
em En
| MEDLINE
| ID: mdl-31460760
ABSTRACT
Preparation of an unzipping polyester is reported. The monomer was prepared from benzoic acid in a four-step sequence. Step growth polymerization of the monomer provides the target polymer. Efficient depolymerization upon irradiation at 254 nm was confirmed with a quantum yield of >0.8. The photolysis mechanism was investigated, and the results of radical trapping experiments are consistent with an initial Norrish type I like homolysis followed by a radical mediated depropagation reaction driven by aromatization.
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MEDLINE
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En
Ano de publicação:
2019
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Article